package com.example.hp.recyclerviewtest_sy411.adapter;

import android.content.Context;
import android.support.v7.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.TextView;
import android.widget.Toast;

import com.example.hp.recyclerviewtest_sy411.bean.ArticleBean;
import com.example.hp.recyclerviewtest_sy411.R;
import com.squareup.picasso.Picasso;

import java.util.List;

/**
 * Created by HP on 2017/4/13.
 */

public class MyAdapter extends RecyclerView.Adapter {
    private  Context context;//上下文
    private LayoutInflater layoutInflater;
    private  List<ArticleBean> list;
    //自定义 构造方法 传送上下文
    public MyAdapter(Context context){
        this.context=context;
        layoutInflater=LayoutInflater.from(context);
    }
        //自定义 获取数据
    public void setList(List<ArticleBean> list){
        this.list=list;
    }
    public  class  ViewHolder extends RecyclerView.ViewHolder{
        private ImageView imageView;
        private TextView tvtitle,tvdescrrpt,tvtime;
        private Button button;

        public ViewHolder(View itemView) {
            super(itemView);
            imageView=(ImageView)itemView.findViewById(R.id.imageView);
            tvtitle=(TextView) itemView.findViewById(R.id.textView);
            tvdescrrpt=(TextView) itemView.findViewById(R.id.textView2);
            tvtime=(TextView) itemView.findViewById(R.id.textView3);
            button=(Button) itemView.findViewById(R.id.button);
        }
    }
    @Override
    public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
        View v = layoutInflater.inflate(R.layout.item,parent,false);
        return new ViewHolder(v);
    }

    @Override
    public void onBindViewHolder(RecyclerView.ViewHolder holder, final int position) {
        ArticleBean articleBean=list.get(position);
        if (articleBean==null)
            return;
        ViewHolder viewHolder=(ViewHolder)holder;
        //viewHolder.imageView.setImageResource(articleBean.());
        viewHolder.tvtitle.setText(articleBean.getName());
        viewHolder.tvdescrrpt.setText(articleBean.getDescription());
        viewHolder.tvtime.setText(articleBean.getUpdate_time());

        Picasso.with(context).load("http://amicool.neusoft.edu.cn/Uploads/"+articleBean.getThumb()).placeholder(R.mipmap.ic_launcher).into(viewHolder.imageView);
        viewHolder.button.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                list.remove(position);
                notifyDataSetChanged();//更新recyclerView
                //在实际案例中，要删除应该会涉及网络或数据库访问
                //一般要有删除前的提醒
            }
        });
        viewHolder.itemView.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                int id=list.get(position).getId();
                Toast.makeText(context, id+"", Toast.LENGTH_SHORT).show();
                //实际中，点击后打开新窗口做其他的操作
            }
        });


    }

    @Override
    public int getItemCount() {
        if (list==null)  return 0;
        else return list.size();
    }
}
